群扩张下图的扭化 Alexander 多项式
几何拓扑
2026-05-14 v1
摘要
本文从两个方向讨论有限群群扩张下图的扭化 Alexander 多项式。首先,我们给出与有限群正则表示相关的图在 3 球中扭化 Alexander 多项式的 mod 公式。其次,我们考虑有限群一系列中心扩张下图的扭化 Alexander 多项式。此外,我们将这些公式用于扭化 Alexander 消失群和非纤维图的阶数研究。
引用
@article{arxiv.2605.13288,
title = {Twisted Alexander polynomials of a knot for group extensions},
author = {Katsumi Ishikawa and Takayuki Morifuji and Masaaki Suzuki},
journal= {arXiv preprint arXiv:2605.13288},
year = {2026}
}
备注
13 pages. A part of this paper is contained in our unpublished manuscripts arXiv:2510.25574, arXiv:2311.15484. In this paper, we develop it from the viewpoint of the formulation of twisted Alexander polynomials of a knot for group extensions